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small change - dont let update rect list for image object become a 

runaway endless list if evas doenst come around and render (pick it
up) any time soon - limit to 512 update rects.



SVN revision: 81039
This commit is contained in:
Carsten Haitzler 2012-12-16 02:01:11 +00:00
parent fc5c62500d
commit dd00dba75e
1 changed files with 22 additions and 2 deletions
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24
src/lib/evas/canvas/evas_object_image.c
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@ -1429,6 +1429,7 @@ _image_data_update_add(Eo *eo_obj, void *_pd, va_list *list)
{
Evas_Object_Image *o = _pd;
Eina_Rectangle *r;
int cnt;
int x = va_arg(*list, int);
int y = va_arg(*list, int);
@ -1436,8 +1437,27 @@ _image_data_update_add(Eo *eo_obj, void *_pd, va_list *list)
int h = va_arg(*list, int);
RECTS_CLIP_TO_RECT(x, y, w, h, 0, 0, o->cur.image.w, o->cur.image.h);
if ((w <= 0) || (h <= 0)) return;
NEW_RECT(r, x, y, w, h);
if (r) o->pixel_updates = eina_list_append(o->pixel_updates, r);
cnt = eina_list_count(o->pixel_updates);
if (cnt == 1)
{ // detect single blob case already there to do a nop
if ((r = o->pixel_updates->data))
{ // already a single full rect there.
if ((r->x == 0) && (r->y == 0) && (r->w == w) && (r->h == h))
return;
}
}
if (cnt >= 512)
{ // too many update rects - just make a single blob update
EINA_LIST_FREE(o->pixel_updates, r) eina_rectangle_free(r);
NEW_RECT(r, 0, 0, o->cur.image.w, o->cur.image.h);
if (r) o->pixel_updates = eina_list_append(o->pixel_updates, r);
}
else
{
NEW_RECT(r, x, y, w, h);
if (r) o->pixel_updates = eina_list_append(o->pixel_updates, r);
}
o->changed = EINA_TRUE;
Evas_Object_Protected_Data *obj = eo_data_get(eo_obj, EVAS_OBJ_CLASS);
evas_object_change(eo_obj, obj);